Latest science news in Biology & Nature

Too Few Asian Vultures in Captivity to Save Species?

10 years ago from National Geographic

Genetic testing of captive oriental white-backed vultures suggests the diversity needed to ensure the species' future will taper within three years, a scientist says.

Nematode gene sequencing is completed

10 years ago from UPI

AMES, Iowa, Sept. 10 (UPI) -- U.S. scientists say they've contributed to the sequencing of one of the world's most destructive parasites -- the southern root-knot nematode.

Small size helps giant male weta mate

10 years ago from UPI

MISSISSAUGA , Ontario, Sept. 9 (UPI) -- Canadian scientists have discovered lightweight giant male weta insects are most successful at mating by traveling greater distances each night.

Atomic structure of the mammalian 'fatty acid factory' determined

10 years ago from Biology News Net

Mammalian fatty acid synthase is one of the most complex molecular synthetic machines in human cells. It is also a promising target for the development of anti-cancer and anti-obesity drugs...

Old before their time? Aging in flies under natural vs. laboratory conditions

10 years ago from Biology News Net

A marked T. angusticollis female on an Acacia trunk in Sydney. Evolutionary studies of aging typically utilize small, short-lived animals (insects, worms, mice) under benign conditions – constant temperature and...

What is a gene?

10 years ago from Biology News Net

Even scientists define 'a gene' in different ways, so it comes as little surprise that the media also have various ways of framing the concept of a gene, according to...

Gene may hold key to neutralizing HIV: U.S. study

10 years ago from Reuters:Science

CHICAGO (Reuters) - The AIDS virus is especially hard to fight because few people develop antibodies to neutralize it, but U.S. researchers said on Thursday they have found an immunity...

You Can Be Replaced: Immune Cells Compensate For Defective DNA Repair Factor

10 years ago from Science Daily

A new mouse model has provided some surprising insight into XLF, a molecule that helps to repair lethal DNA damage. The research suggests that although XLF shares many properties with...

Body May Reject Transplanted Human Embryonic Stem Cells

10 years ago from Scientific American

The much-ballyhooed human embryonic stem cell apparently may share a problem with transplanted organs: a high probability of rejection. [More]

Remember: Memory Record and Replay Handled by Same Cells

10 years ago from Scientific American

Researchers have discovered that the same nerve cells involved in forming memories also are involved in replaying them. The finding, published today in the online edition of Science, provides new...

Parsing the genome of a deadly brain tumor

10 years ago from Physorg

The most comprehensive to-date genomic analysis of a cancer - the deadly brain tumor glioblastoma multiforme - shows previously unrecognized changes in genes and provides an overall view...

Oldest Sheep Contribute Most To Population Growth When Climate Changes Making Conditions Harsh

10 years ago from Science Daily

Researchers show how sheep on a remote island off the west coast of Scotland respond to two consequences of climate change: altered food availability and the unpredictability of winter storms....

How the Human Got His Thumbs

10 years ago from PopSci

For decades, people referred to the non-coding bits of DNA between genes as junk DNA. Then, in the eighties scientists discovered that some of that junk DNA served an important...

Government to protect tiny snail

10 years ago from BBC News: Science & Nature

One of the world's smallest and rarest snails, measuring less than a millimetre in width, gets special protection.

Functional Food – Delicious And Healthy

10 years ago from Science Daily

Linseed is said to protect against cancer – but not everybody likes the taste. Researchers have now isolated the valuable components of the flax seeds. Incorporated in bread, cakes or...

Infectious, Test Tube-produced Prions Can Jump The 'Species Barrier'

10 years ago from Science Daily

Researchers have shown that they can create entirely new strains of infectious proteins known as prions in the laboratory by simply mixing infectious prions from one species with the normal...

Yale Researchers Find 'Junk DNA' May Have Triggered Key Evolutionary Changes In Human Thumb And Foot

10 years ago from Science Daily

Out of the 3 billion genetic letters that spell out the human genome, Yale scientists have found a handful that may have contributed to the evolutionary changes in human limbs...

New fingerprint method could unlock cold cases

10 years ago from MSNBC: Science

British scientists have developed a new crime-fighting technique that allows police to lift fingerprints from bullets even if a criminal has wiped down a shell casing.

Bird Duets Are "Aggressive Audio Warfare"

10 years ago from National Geographic

The intertwining songs of tropical wrens serve as weapons and help males and females find each other in dense forests, a new study says.

Cancer complexity slows quest for cure

10 years ago from News @ Nature

Genomic analysis reveals multiple mutations in tumours.

New 'Trick' Allows HIV To Overcome A Barrier To Infection

10 years ago from Science Daily

Researchers have discovered a new 'trick' that allows HIV to overtake resting T cells that are normally highly resistant to HIV infection -- the binding of the virus to the...

Discovery Challenges Fundamental Tenet Of Cancer Biology

10 years ago from Science Daily

Yale researchers have identified an unusual molecular process in normal tissues that causes RNA molecules produced from separate genes to be clipped and stitched together. The discovery that these rearranged...

VIDEO: New Catfish Species Found

10 years ago from National Geographic

While exploring Venezuelan wilderness, scientists discovered a new catfish. And they got a closer look at a fish species that lives for almost exactly one year.

Toxic Plastics: Bisphenol A Linked To Metabolic Syndrome In Human Tissue

10 years ago from Science Daily

New research implicates the primary chemical used to produce hard plastics -- bisphenol A (BPA) -- as a risk factor for the metabolic syndrome and its consequences.

New evidence on the robustness of metabolic networks

10 years ago from Physorg

Biological systems are constantly evolving in ways that increase their fitness for survival amidst environmental fluctuations and internal errors. Now, in a study of cell metabolism, a Northwestern University research...

Using a Poison to Turn Sunlight into Food

10 years ago from Scientific American

Arsenic, a deadly poison, kills by blocking the ability of cells to produce and consume energy. Yet, some red and green slime mats in briny hot springs in Mono Lake,...

Like the Taste of Chalk? You're in Luck--Humans May Be Able to Taste Calcium

10 years ago from Scientific American

Mice, and most likely humans, have the ability to taste calcium--and most do not like it, according to new research presented today at the American Chemical Society's semiannual national meeting,...

On a Wing and Low Air: The Surprising Way Wind Turbines Kill Bats

10 years ago from Scientific American

Scientists have known since 2004 that wind farms kill bats, just as they kill birds, even though the flying mammals should be able to avoid them. Many biologists thought that...